#include<iostream>
#include<strings.h>
using namespace std;
int main() {
  double a = 3.1415926;
  cout << "a==="<< a << endl;
  string name[] = {"zhangsan", "lisi"};
  char *name1[] = {"zhansan", "list"};
  cout << name[0] << endl; // zhangsan
  cout << name1 << endl; // 0x7ffee6149230
  cout << *name1 << endl; // zhansan
  cout << name1[0] << endl; // zhansan
  cout << *name1[0] << endl; // z
  char name2[] ={ 's', 'j', 'c'};
  return 0;
}